TY  - BOOK
AU  - Ong, E.R. De
TI  - Chemistry and uses of insecticides
U1  - 632.9517 21st ed.
PY  - 1948///
CY  - New York
PB  - Reinhold Publishing
KW  - Insecticides
KW  - Pesticides
N1  - Index: pp 319-45
ER  -